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September 21, 2014

Homework Help: physics - please help

Posted by Nilan on Saturday, March 3, 2012 at 11:20am.

Assume the earth is a uniform sphere and that its path around the sun is curcular.
Calculate the kinetic energy that the earth has because of its rotation about its own axis. For comparison, the total energy used in the US in one year is about 9.33 x 10^9 J

b) Calculate the kinetic energy that the earth has because its motion around the sun.

thank you.

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